Flavanols, which are polyphenols found in berries, apples, and tea, are linked to lower blood pressure. In a large study, those who consumed the most flavanols had significantly lower blood pressure.

A new way to deliver the protein PIN1 to the testes could treat male infertility, as it restored normal sperm development in previously infertile mice and protected the blood-testes barrier.

New research found a method to detect Alzheimer's disease earlier, with 10 times more sensitivity than current technology, using an artificial enzyme called the nanozyme.

CBD (cannabidiol) may reduce the lung-damaging "cytokine storm" that can be fatal in patients with COVID-19 or respiratory diseases. CBD increases levels of the peptide apelin, which reduces inflammation.